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1. (WO2019048548) SENSOR SYSTEM AND METHOD TO OPERATE A SENSOR SYSTEM
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Pub. No.: WO/2019/048548 International Application No.: PCT/EP2018/074016
Publication Date: 14.03.2019 International Filing Date: 06.09.2018
IPC:
G01S 17/00 (2006.01) ,G01S 17/10 (2006.01) ,G01S 17/42 (2006.01) ,G01S 17/93 (2006.01) ,G01S 7/481 (2006.01) ,G01S 7/486 (2006.01)
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02
Systems using the reflection of electromagnetic waves other than radio waves
06
Systems determining position data of a target
08
for measuring distance only
10
using transmission of interrupted pulse-modulated waves
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02
Systems using the reflection of electromagnetic waves other than radio waves
06
Systems determining position data of a target
42
Simultaneous measurement of distance and other coordinates
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
88
Lidar systems, specially adapted for specific applications
93
for anti-collision purposes
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7
Details of systems according to groups G01S13/, G01S15/, G01S17/127
48
of systems according to group G01S17/58
481
Constructional features, e.g. arrangements of optical elements
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7
Details of systems according to groups G01S13/, G01S15/, G01S17/127
48
of systems according to group G01S17/58
483
Details of pulse systems
486
Receivers
Applicants:
OSRAM OPTO SEMICONDUCTORS GMBH [DE/DE]; Leibnizstrasse 4 93055 Regensburg, DE
Inventors:
WEBER, Rolf; US
Agent:
ZACCO PATENTANWALTS- UND RECHTSANWALTSGESELLSCHAFT MBH; Bayerstrasse 83 80335 Munich, DE
Priority Data:
15/699,64708.09.2017US
Title (EN) SENSOR SYSTEM AND METHOD TO OPERATE A SENSOR SYSTEM
(FR) SYSTÈME DE CAPTEUR ET PROCÉDÉ DE FONCTIONNEMENT D'UN SYSTÈME DE CAPTEUR
Abstract:
(EN) Sensor system and method to operate a sensor system In at least one embodiment, the sensor system (1) comprises a light source (2) to emit laser radiation (L) and an optical element (31) to image the laser radiation (L) to at least one image point (63) at a fixed distance (62) in an optical far field of the sensor system (1). A detector (4) is to detect a proportion of the laser radiation (L) reflected back at least one object (9) illuminated by the laser radiation (L). A pin hole (5) is located in front of the detector (5), a diameter (D) of the pin hole (5) corresponds to a size of the image point (63) within a factor of 2. The image point (63) at the fixed distance (62) is permanently imaged onto at least one of the detector (4) and the pin hole (5) by the optical element (31) or by a further optical element (32). The detector (4) is to measure the time-of-flight of the reflected laser radiation (L).
(FR) La présente invention concerne un système de capteur et un procédé de fonctionnement d'un système de capteur. Dans au moins un mode de réalisation, le système de capteur (1) comprend une source de lumière (2) pour émettre un rayonnement laser (L) et un élément optique (31) pour l'imagerie du rayonnement laser (L) à au moins un point d'image (63) à une distance fixe (62) dans un champ lointain optique du système de capteur (1). Un détecteur (4) est destiné à détecter une proportion du rayonnement laser (L) réfléchi par au moins un objet (9) éclairé par le rayonnement laser (L). Un trou d'aiguille (5) est situé devant le détecteur (5), un diamètre (D) du trou d'aiguille (5) correspond à une taille du point d'image (63) à un facteur d'au plus 2. Le point d'image (63) à la distance fixe (62) est soumis à imagerie en permanence sur au moins l'un parmi le détecteur (4) et le trou d'aiguille (5) par l'élément optique (31) ou par un autre élément optique (32). Le détecteur (4) est destiné à mesurer le temps de vol du rayonnement laser réfléchi (L).
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)